428194 has 16 divisors (see below), whose sum is σ = 709632. Its totient is φ = 192528.

The previous prime is 428177. The next prime is 428221. The reversal of 428194 is 491824.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927 + ... + 1309.

It is an arithmetic number, because the mean of its divisors is an integer number (44352).

2⁴²⁸¹⁹⁴ is an apocalyptic number.

428194 is a deficient number, since it is larger than the sum of its proper divisors (281438).

428194 is a wasteful number, since it uses less digits than its factorization.

428194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441.

The product of its digits is 2304, while the sum is 28.

The square root of 428194 is about 654.3653413805. The cubic root of 428194 is about 75.3726050666.

The spelling of 428194 in words is "four hundred twenty-eight thousand, one hundred ninety-four".